public void ProtocolDataUnit()
{
RegisterCollection writeCollection = new RegisterCollection(255, 255, 255);
ReadWriteMultipleRegistersRequest request = new ReadWriteMultipleRegistersRequest(5, 3, 6, 14, writeCollection);
byte[] pdu = { 0x17, 0x00, 0x03, 0x00, 0x06, 0x00, 0x0e, 0x00, 0x03, 0x06, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff };
Assert.AreEqual(pdu, request.ProtocolDataUnit);
}
public void ToString_ReadWriteMultipleRegistersRequest()
{
RegisterCollection writeCollection = new RegisterCollection(255, 255, 255);
ReadWriteMultipleRegistersRequest request = new ReadWriteMultipleRegistersRequest(5, 3, 6, 14, writeCollection);
Assert.AreEqual("Write 3 holding registers starting at address 14, and read 6 registers starting at address 3.", request.ToString());
}
public void ReadWriteMultipleRegistersRequest()
{
RegisterCollection writeCollection = new RegisterCollection(255, 255, 255);
ReadWriteMultipleRegistersRequest request = new ReadWriteMultipleRegistersRequest(5, 3, 6, 14, writeCollection);
Assert.AreEqual(Modbus.ReadWriteMultipleRegisters, request.FunctionCode);
Assert.AreEqual(5, request.SlaveAddress);
// test read
Assert.IsNotNull(request.ReadRequest);
Assert.AreEqual(request.SlaveAddress, request.ReadRequest.SlaveAddress);
Assert.AreEqual(3, request.ReadRequest.StartAddress);
Assert.AreEqual(6, request.ReadRequest.NumberOfPoints);
// test write
Assert.IsNotNull(request.WriteRequest);
Assert.AreEqual(request.SlaveAddress, request.WriteRequest.SlaveAddress);
Assert.AreEqual(14, request.WriteRequest.StartAddress);
Assert.AreEqual(writeCollection.NetworkBytes, request.WriteRequest.Data.NetworkBytes);
}
public void CreateModbusMessageReadWriteMultipleRegistersRequest()
{
ReadWriteMultipleRegistersRequest request =
ModbusMessageFactory.CreateModbusMessage<ReadWriteMultipleRegistersRequest>(new byte[]
{0x05, 0x17, 0x00, 0x03, 0x00, 0x06, 0x00, 0x0e, 0x00, 0x03, 0x06, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff});
RegisterCollection writeCollection = new RegisterCollection(255, 255, 255);
ReadWriteMultipleRegistersRequest expectedRequest = new ReadWriteMultipleRegistersRequest(5, 3, 6, 14,
writeCollection);
AssertModbusMessagePropertiesAreEqual(expectedRequest, request);
}